What are some causes of new imperialism?
Because everyone involved stands to gain from the circumstance. The modern world enjoys Pax Americana, which is similar to Pax Romana of history, when a powerful Roman Empire supervised a protracted period of peace, stability, and prosperity.
The unrivaled American military and nuclear weapons serve as a global police force, guarding trade routes and averting catastrophic wars. It's only a matter of time until two or more evenly matched sides engage in a violent brawl. The world conforms when there is a clear victor. And it's fortunate for the entire globe that the United States emerged as the unambiguous victor. The world is better and safer than it has ever been under American "Imperialism" (in which no lands are acquired and former foes are rebuilt and modernized on our pay). Contrary to what the 24-hour news cycle would have you think, very few people really die in conflicts. The tendency toward democracy is upward. The totalitarian regime is fading. War as we know it is passé, and while we pay for international security, our neighbors, including Canada, are free to use their military funds to other purposes. The US gets to govern things and disseminate our liberal democratic ideas while providing a free global security force for the rest of the globe. The world should consider itself fortunate to be ruled by American imperialism as opposed to Chinese or Russian imperialism, which are the other two possibilities.
What happened during the New imperialism?
I'm going to assume that the phrase "new imperialism" refers to the post-World War II era. I would say that instead of just acquiring land, one witnessed an empire through military bases, economic might, and sporadic military operations. For instance, the Platt Amendment obliged Cuba to accept American interference after the country had been "liberated" by the United States. When Batista gained power later, there was mostly financial involvement from the United States, but when Castro took over, there was a military intervention as well as a blockade. When imperialism was more traditional, the imperial nation would simply have landed soldiers. Many authors have discussed the imperialism of bases and have described the subversion employed against nations whose governments have chosen not to comply with directives.
Thank you,
Eddie